frown
The German word 'Stirnrunzeln' is used to describe the facial expression of frowning, which involves furrowing one's brow and lowering the corners of the mouth. It is often used to express disapproval, confusion, or concentration. It's important to note that while 'Stirnrunzeln' is a noun, it can also be used as a verb, 'stirnrunzeln', to describe the act of frowning.
I can't control my frown when I'm angry.
This sentence implies that when the speaker is angry, they automatically frown without control. 'Stirnrunzeln' refers to the act of frowning in German.
Your constant frowning will cause wrinkles.
In this sentence, the speaker is warning someone that if they continue to frown ('Stirnrunzeln'), they are likely to develop wrinkles. It assumes a causal relationship between frowning and getting wrinkles.
He looked at me with a frown, which made me nervous.
This sentence describes a situation where the speaker becomes nervous because someone looked at them with a frown ('Stirnrunzeln'). It suggests a strong emotional reaction to the other person's facial expression.